252802785 has 8 divisors (see below), whose sum is σ = 404484480. Its totient is φ = 134828144.

The previous prime is 252802783. The next prime is 252802817. The reversal of 252802785 is 587208252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 252802785 - 2¹ = 252802783 is a prime.

It is not an unprimeable number, because it can be changed into a prime (252802783) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8426745 + ... + 8426774.

It is an arithmetic number, because the mean of its divisors is an integer number (50560560).

Almost surely, 2^252802785 is an apocalyptic number.

It is an amenable number.

252802785 is a deficient number, since it is larger than the sum of its proper divisors (151681695).

252802785 is a wasteful number, since it uses less digits than its factorization.

252802785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16853527.

The product of its (nonzero) digits is 89600, while the sum is 39.

The square root of 252802785 is about 15899.7731115887. The cubic root of 252802785 is about 632.3059734920.

The spelling of 252802785 in words is "two hundred fifty-two million, eight hundred two thousand, seven hundred eighty-five".